EP 0103786 A3 19850605 - RAM-TYPE BLOWOUT PREVENTER
Title (en)
RAM-TYPE BLOWOUT PREVENTER
Publication
Application
Priority
US 41908082 A 19820916
Abstract (en)
[origin: EP0103786A2] A ram-type blowout preventer having a body with a central bore extending therethrough and with guideways extending outward from the central bore, a ram in each of the guideways and having a recess on its front face, a front packer positioned in said ram recess and including a backing portion and an insert portion, the insert portion being tightly interengaged with said backing portion.
IPC 1-7
IPC 8 full level
E21B 33/06 (2006.01)
CPC (source: EP US)
E21B 33/062 (2013.01 - EP US)
Citation (search report)
- [A] US 2527068 A 19501024 - LYNNE MURRAY
- [A] US 4332367 A 19820601 - NELSON NORMAN A
- [AD] US 4323256 A 19820406 - MIYAGISHIMA TOSH, et al
- [XP] US 4398729 A 19830816 - BISHOP THOMAS R [US], et al
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0103786 A2 19840328; EP 0103786 A3 19850605; EP 0103786 B1 19890405; AT E41972 T1 19890415; CA 1203159 A 19860415; DE 3379549 D1 19890511; JP H0373712 B2 19911122; JP S5972394 A 19840424; MX 156732 A 19880928; NO 165309 B 19901015; NO 165309 C 19910130; NO 833326 L 19840319; US 4541639 A 19850917
DOCDB simple family (application)
EP 83108521 A 19830830; AT 83108521 T 19830830; CA 436216 A 19830907; DE 3379549 T 19830830; JP 17052583 A 19830914; MX 19866783 A 19830909; NO 833326 A 19830915; US 41908082 A 19820916